.content-overview {
    width: min(400px, 30%);
    padding: 0 0.75rem;
    position: sticky;
    top: 105px;
    align-self: flex-start;
    z-index: 10;
}

.content-overview h3 {
    font-family: Orbitron, sans-serif;
}

.content-overview .content-overview-circle {
    width: 1em;
    height: 1em;
    padding: 1em;
    border-radius: 114514px;
    background-color: var(--section-theme);
}

.content-overview>div {
    line-height: 1.5;
    margin: 1rem 0;
}

.content-overview a {
    text-decoration: none;
    color: white;
    margin-left: 0;
    transition: color 0.3s ease;
}

.content-overview a:hover {
    color: var(--section-theme);
}


.content-overview a.reading-active {
    color: var(--section-theme, #00f5ff);
    font-weight: 600;
}

.content-overview-divider {
    height: 1px;
    background: rgba(255,255,255,0.12);
    margin: 1.5rem 0 1rem;
}

.content-overview-reference {
    font-size: 0.78rem;
    color: rgba(255,255,255,0.78);
}

.content-overview-reference h4 {
    font-size: 0.95rem;
    color: #ffffff;
    margin-bottom: 0.5rem;
}

.content-overview-reference ul {
    list-style: disc;
    padding-left: 1.2rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.content-overview-reference a {
    color: var(--section-theme, #00f5ff);
    text-decoration: underline;
}

.content-overview-reference a:hover {
    opacity: 0.85;
}
@media screen and (max-width: 768px) {
    .content-overview {
        display: none;
    }
}